Mechanics: Miscellaneous - Online Test

Test Difficulty Level: Easy

Syllabus of Test

Mechanical Engineering: All mechanical topics like: SHM, Collision, Surface Tension

Sample Question from this online test:

Question: The phase difference between force and displacement is -

Option A: 0°

Option B: 90°

Option C: 180°

Option D: None of the above

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lokesh Kumar on 2011-10-17 09:59:05 wrote,

Good i like

lokesh Kumar on 2011-10-17 10:01:35 wrote,

Good i like

ram khurana on 2012-05-09 05:48:13 wrote,

makkhan chor...:)

sulochana Babu Gandla on 2013-09-18 18:59:59 wrote,

A perfectly rigid body has value of Young's modulus -
Option A: Zero
Option B: Infinite
Option C: One
Option D: None of the above

Answer is Infinite
Young modulus=stress/strain
Since the body is perfectly rigid, it will not experience any change in length.
therefore strain=0

in other words, Y.M. for perfectly rigid body is "NOT DEFINED!"